add some usage info to the README
diff --git a/README.md b/README.md
index dbe4d50..a31ce94 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,39 @@
# gojsonpointer
An implementation of JSON Pointer - Go language
+## Usage
+ jsonText := `{
+ "name": "Bobby B",
+ "occupation": {
+ "title" : "King",
+ "years" : 15,
+ "heir" : "Joffrey B"
+ }
+ }`
+
+ var jsonDocument map[string]interface{}
+ json.Unmarshal([]byte(jsonText), &jsonDocument)
+
+ //create a JSON pointer
+ pointerString := "/occupation/title"
+ pointer, _ := NewJsonPointer(pointerString)
+
+ //SET a new value for the "title" in the document
+ pointer.Set(jsonDocument, "Supreme Leader of Westeros")
+
+ //GET the new "title" from the document
+ title, _, _ := pointer.Get(jsonDocument)
+ fmt.Println(title) //outputs "Supreme Leader of Westeros"
+
+ //DELETE the "heir" from the document (only works on maps for now, not arrays)
+ deletePointer := NewJsonPointer("/occupation/heir")
+ deletePointer.Delete(jsonDocument)
+
+ b, _ := json.Marshal(jsonDocument)
+ fmt.Println(string(b))
+ //outputs `{"name":"Bobby B","occupation":{"title":"Supreme Leader of Westeros","years":15}}`
+
+
## References
http://tools.ietf.org/html/draft-ietf-appsawg-json-pointer-07
